Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/9883
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Campo DCValorIdioma
dc.contributor.authorCAMPAGNOLLA, C.
dc.contributor.authorPLAPP JUNIOR, F. W.
dc.date.accessioned2018-07-23T14:20:56Z-
dc.date.available2018-07-23T14:20:56Z-
dc.date.created1991-03-25
dc.date.issued1989
dc.identifier.citationJournal of Economic Entomology, v. 82, n. 6, p. 1495-1501, dez. 1989.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/9883-
dc.descriptionThird-instar tobacco budworms, Heliothis, susceptible or resistant to pyrethroids were tested by exposure to residues of insecticides in glass liquid scintilillation vials. These biossays were done to find alternative insecticides or insecticide combinations for control of larvae resistant to pyrethroids, to evaluate the effect of synergists on insecticide toxicity and resistance, and to establish the main mechanisms of resistance present. Insecticides effective for control of resistant third-instar tobacco budworms included profenofos, sulprofos, acephate, endusulfan, methomyl, and thiodicarb. Cypermethrin combined with chlordimeform, piperonyl butoxide nor chlordimeform produced more thenfive-fold synergism. The only synergistic insecticide combination against resistant larvae was cypermethrin plus methyl parathion. Thus, use of other combinations had no advantage compared with use of alternative insecticides. High-level cypermethrin resistance, resistance to methyl parathion, and synergism of these insecticides by piperonyl butoxide provide evidence for metabolic resistance in this life stage. Therefore, we conclude that metabolic resistance seems to be the most important mechanism in large tobacco budworms.
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectBugs
dc.subjectInsecticide
dc.subjectPyrethroid
dc.subjectResistence
dc.subjectSusceptibility
dc.subjectInsect
dc.subjectPest
dc.subjectTobacco budworms
dc.titleToxicity and synergism of insecticides against susceptible and pyrethroid-resistant third instars of the tobacco budworm (Lepidoptera: Noctuidae).
dc.typeArtigo de periódico
dc.date.updated2018-07-23T14:20:56Zpt_BR
dc.subject.thesagroHeliothis Virescens
dc.subject.nalthesaurusLepidoptera
dc.subject.nalthesaurusNoctuidae
dc.subject.nalthesauruschemical control
dc.subject.nalthesaurussynergism
dc.subject.nalthesaurustoxicity
riaa.ainfo.id9883
riaa.ainfo.lastupdate2018-07-23
dc.contributor.institutionCLAYTON CAMPAGNOLLA, SGE; F. W. PLAPP JUNIOR, Texas A&M University.
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